import mongoose = require('mongoose');
import express = require('express');

export function configureMongoose(app: express.Express) {
	mongoose.connect(process.env.mongodb_host, {
		useNewUrlParser: true,
		useUnifiedTopology: true,
		useFindAndModify: false,
		useCreateIndex: true
	}).then(() => {
		console.log(`Mongoose connected.`);

		// Start Express app once Mongoose has loaded.
		let port = process.env.PORT || 5000;
		app.listen(port, () => {
			console.log(`Web server connected to port ${port}`);
		});
	});
}